generated: '2026-07-18'
method: searched
source: https://docs.coperniq.io/coperniq-api/authentication + openapi/coperniq-openapi.yml
summary: >-
  Cross-cutting request/response semantics for the Coperniq API: API-key header auth, URI-path
  versioning, page-based pagination with date filtering and full-text search, and per-key rate-limit
  signaling. Coperniq does not document an idempotency-key contract.
authentication:
  style: api-key
  header: x-api-key
  key_generation: POST /api-keys (HTTP Basic auth)
  scope: Keys inherit the creating user's role and data visibility; keys do not expire.
  docs: https://docs.coperniq.io/coperniq-api/authentication
versioning:
  scheme: uri-path
  current: v1
  base_url: https://api.coperniq.io/v1
pagination:
  style: page-number
  params:
    - name: page
      description: Page number
    - name: page_size
      description: Number of records per page
  filtering:
    - updated_after
    - updated_before
  sorting:
    - order_by
  search:
    full_text_param: q
    dedicated_endpoints:
      - /projects/search
      - /opportunities/search
      - /accounts/search
      - /vendors/search
rate_limiting:
  per_second: 100
  per_day: 5000
  scope: api_key
  headers:
    - X-RateLimit-Limit
    - X-RateLimit-Remaining
  throttled_status: 429
  see: rate-limits/coperniq-rate-limits.yml
idempotency:
  supported: false
  note: No idempotency-key header or parameter is documented in the Coperniq API.
error_envelope:
  shape: '{ message: string, code: string, field?: string }'
  see: errors/coperniq-problem-types.yml
webhooks:
  supported: true
  direction: outbound
  configured_in: Coperniq UI (Company Settings -> Process Studio -> Automations)
  see: asyncapi/coperniq-webhooks.yml